Tools
Free calculators for everyday use.
Full catalog
- Health
BMI Calculator (Category & Healthy Range)
Calculate BMI from height and weight, with WHO category and healthy weight band.
Use tool - Health
Calorie Calculator (BMR & TDEE)
Estimate BMR, TDEE, and daily calorie targets from your profile.
Use tool - Health
Protein Intake Calculator
Find how much protein to eat daily based on your weight and goal.
Use tool - Health
Water Intake Calculator
See how much to drink daily based on your weight and activity.
Use tool - Health
Body Fat Calculator (US Navy)
Estimate body fat using circumference measurements.
Use tool - Health
FFMI Calculator (Lean Mass)
Assess lean mass relative to height from weight and body fat.
Use tool - Health
Ideal Weight Calculator (Devine)
Check a reference weight suited to your height.
Use tool - Finance
Cost Per Day Calculator (Trips & Subscriptions)
Split a trip total or annual fee across days to see the daily average.
Use tool - Finance
Work Hours Cost Calculator
See how many paid work hours a purchase equals.
Use tool - Finance
True Discount Calculator
Find the total discount when several promotions stack or when you only have list and sale prices.
Use tool - Travel
Travel Budget Calculator
Add up your trip budget with daily costs, insurance, and a buffer.
Use tool - Travel
Travel Time Calculator
Estimate travel time from distance, speed, and stops along the way.
Use tool - Travel
Fuel Trip Cost Calculator
Estimate fuel and trip cost from distance and consumption.
Use tool - Travel
Complete Road Trip Calculator
Estimate total drive cost: fuel, tolls, stops, and split per passenger.
Use tool - Travel
Monthly Car Ownership Cost Calculator
Add fuel, insurance, maintenance, annual tax, depreciation, and more into one monthly total.
Use tool - Health
Sleep schedule (cycles)
Find ideal times to sleep and wake up feeling rested.
Use tool - Health
Running pace & race time calculator
Calculate pace, race time, or distance in km or miles.
Use tool - Finance
Monthly Budget Calculator (Income vs Expenses)
Enter income, fixed costs, and variable costs to see monthly balance and share of income.
Use tool - Finance
Savings Goal Calculator
Plan how much to set aside each month to reach your goal on time.
Use tool - Finance
Loan Amortization Calculator (Price & SAC)
Simulate fixed (Price) or decreasing (SAC) loan payments with total interest and amortization table.
Use tool - Finance
Emergency Fund Calculator (Months of Expenses)
Set an emergency fund target from monthly expenses and months of coverage.
Use tool - Finance
Currency converter
Convert amounts between currencies with a suggested quote and an editable rate.
Use tool - Finance
Group Expense Split Calculator
Bill total, who paid what, and who settles with whom.
Use tool - Finance
Cash vs Installment Calculator
Compare paying in full (with discount) vs installment cost by rate or total amount.
Use tool - Finance
Rent vs buy home calculator
Compare rent and purchase over a horizon you choose, with editable assumptions.
Use tool - Finance
Unit Price Comparison Calculator
Compare pack sizes by price per kg, liter, or unit and see which is cheaper.
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